SPERAS U4 Magnetic EDC Keychain Flashlight 500lm
- $16.99
$16.99- $16.99
- Unit price
- per
500LM Magnetic Pocket Power: Delivers an impressive 500 lumens and a 100-meter throw from an ultra-compact body. Features a strong magnetic tail cap for instant hands-free illumination on any metal surface.
Dual-Light Versatility: Equipped with a focused front spotlight and a multi-mode COB side light. Offers wide-angle White light for repairs, and Red light/Strobe for night vision preservation and emergency signaling.
23g Featherlight EDC: Weighing just 23g and measuring a tiny 62mm in length, it adds zero bulk to your keys. Includes a sturdy lanyard loop for effortless attachment to keyrings, backpacks, or pockets.
Type-C Fast Charge & Lockout: Recharges fully in just 1.5 hours via the universal USB-C port. Built with a smart 4-click electronic lockout mode to prevent accidental pocket activation and battery drain.
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Free Shipping
Orders processed in 1-2 business days.
Delivery in 7-14 days.
*Remote areas may incur extra shipping & duties.
Warranty
Batteries & accessories covered for 1 year.
*Customers cover shipping for returns & exchanges.
Note
For missing or damaged items, contact us within 7 days.
*Questions? Email info@sperasflashlight.com
Next-Gen Pocket Utility: SPERAS U4 vs Standard Keychain Lights
| Specifications | 🔥 SPERAS U4 Keychain Light | Standard Keychain Lights |
|---|---|---|
| Max Output & Throw | 500 Lumens / 100m Beam Distance | 50 - 150 Lumens / Short Range Only |
| Lighting System | Dual-Light: Main Spotlight + White/Red COB Side Light | Single Front LED Only |
| Weight & Dimensions | Ultra-Light 23g | 62 × 18.3 × 12.5 mm | 35g - 60g (Bulky on Keyring) |
| Hands-Free Capability | Strong Magnetic Tail Base + Sturdy Keyring Loop | Keyring Loop Only (No Magnet) |
| Charging & Runtime | USB-C 1.5h Fast Charge | Up to 8H Max Runtime | Micro-USB or Disposable Coin Batteries |
| Pocket Safety | 4-Click Electronic Lockout + 4-Level Battery Indicator | No Lockout (Prone to Accidental Pocket Activation) |
23g Featherlight Design: Everyday Carry Anywhere You Go
Measuring just 62mm in length and weighing an ultra-light 23g, the SPERAS U4 is a true mini EDC flashlight that adds zero bulk to your daily setup.
Equipped with a sturdy lanyard loop and split ring, you can effortlessly hang this portable keychain light on your belt keyring, clip it onto your backpack strap, or slip it into a pocket or handbag so reliable illumination is always within reach.
Dual Light Sources: 500LM Spotlight & White/Red COB Side Light
Why carry two lights when one does it all? The U4 combines a powerful 500-lumen main spotlight (reaching up to 100 meters) for long-range trail navigation with a versatile multi-mode COB side light.
Switch seamlessly between floodlight COB white light for up-close area tasks and COB red light (steady or strobe) to preserve night vision or signal emergencies. Built-in mode memory retains your last brightness setting for instant one-button deployment.
Strong Magnetic Tail for Hands-Free Illumination
Transform your keychain flashlight into a stationary work light in seconds. The U4 integrates a powerful magnet into its flat tail base, enabling instant attachment to any ferrous metal surface.
Mount this magnetic keychain flashlight under a car hood for roadside engine repairs, attach it to tent poles while camping, or stick it onto metal fuse boxes to free both hands in the dark.
Smart 4-Click Lockout Protection for Safe Pocket Carry
Carry with complete peace of mind. To prevent accidental activation while the light is bouncing inside tight pockets or bags with your keys, the U4 features an intuitive electronic lockout protection system.
When the light is off, simply click the side button 4 times rapidly to lock or unlock the device. While locked, any accidental button press triggers the main light to blink twice gently as a status reminder—saving your battery for when you truly need it.
1.5-Hour USB-C Charging & Real-Time Power Indicator
Powered by a built-in rechargeable lithium battery, this USB-C rechargeable keychain light reaches a full charge in just 1.5 hours via its protected charging port.
Never get caught off guard by a dead battery. The integrated switch ring indicator clearly displays remaining battery life at a glance:
- 🟢 Green Solid: ≥ 75% (Full Power)
- 🟢⚡ Green Flashing: 50% – 75%
- 🔴 Red Solid: 25% – 50%
- 🔴⚡ Red Flashing: ≤ 25% (Recharge Soon)
Master Every Scenario: From Daily Chores to Emergencies
Engineered with IPX5 water resistance and 1-meter impact durability, the SPERAS U4 is built to handle real-world demands across every environment.
Whether you are walking the dog at night, performing precision electrical repairs, deterring threats with the 500lm self-defense strobe, or using the soft COB side beam for nighttime reading, this pocket EDC flashlight adapts effortlessly.
Technical Specifications
What's in the Box
Upgrade Your Keyring with 500 Lumens of Dual-Light Power.
At just 23g, the SPERAS U4 gives you a 100m spotlight, a white/red COB work light, and a magnetic tail in one ultra-compact package. Pick your favorite color and carry confidence every day.
🛒 ADD TO CART NOWFast USB-C Charging | Hands-Free Magnetic Base | SPERAS Official Warranty
Frequently Asked Questions About Keychain EDC Flashlights
How bright is the SPERAS U4 mini keychain flashlight?
Despite weighing only 23g and measuring just 62mm long, the SPERAS U4 keychain EDC flashlight delivers a blazing 500-lumen maximum output (2500cd beam intensity) reaching up to 100 meters. In addition to its 4-level main spotlight (Low 15lm, Medium 50lm, High 120lm, Turbo 500lm) and Strobe, it also features a built-in COB side light for close-range flood illumination.
What are the benefits of the dual spotlight and COB side light design?
A dual-light EDC keychain light gives you two specialized tools in one tiny package. The front spotlight throws a focused 100m beam for outdoor walking and searching, while the side COB floodlight provides smooth, wide-angle white light (5lm / 30lm) for close-up repairs and reading, plus steady Red and Red Strobe modes for night vision preservation and emergency warning.
How long does the U4 rechargeable keychain light take to charge and how long does the battery last?
The U4 features a built-in 200mAh lithium battery with convenient USB-C charging that reaches a full charge in just 1.5 hours. On a full charge, it delivers up to 7.2 hours of runtime on the main Low mode (15lm) and up to 8 hours on the COB White Low mode (5lm), making it a reliable rechargeable keychain flashlight for daily tasks and outdoor emergencies.
Will the U4 keychain light turn on accidentally in my pocket?
No. The SPERAS U4 includes a smart 4-click lockout function. When the light is turned off, click the button 4 times to lock the switch. If the button is pressed while locked, the main light simply blinks twice to indicate it is locked, preventing accidental activation inside pockets or bags.
Is the SPERAS U4 magnetic keychain flashlight waterproof and durable for outdoor use?
Yes. The SPERAS U4 is rated IPX5 waterproof to withstand rain and splashes from any direction, and is tested for 1-meter impact resistance. Combined with its strong magnetic tail cap and sturdy keyring loop, it is built to handle camping, hiking, automotive work, and everyday carry in all weather conditions.
| Model | SPERAS U4 |
|---|---|
| Max Output | 500 lumens |
| Max Beam distance | 100 meters |
| Max running time | 8 hours (at COB White Low mode) |
| Main Light Modes | Turbo (500LM) - High (120LM) - Medium (50LM) - Low (15LM) - Strobe |
| Side Light (COB) Modes | White High (30LM) - White Low (5LM) - Red - Red Strobe |
| Max Beam Intensity | 2500 cd |
| Compatible Battery | Built-in 200mAh Lithium battery |
| Water Resistance | IPX5 |
| Impact Resistance | 1 meter |
| Dimensions | 18.3mm * 12.5mm * 62mm |
| Weight | 23g (0.81oz) |
| Note: the data above was measured in accordance with the international flashlight test standard ANSI/NEMA FL1, using the SPERAS built-in 200mAh lithium battery under laboratory conditions. | |
 |
SPERAS U4.pdf | Download |
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